344621317 has 4 divisors (see below), whose sum is σ = 351123660. Its totient is φ = 338118976.

The previous prime is 344621311. The next prime is 344621341. The reversal of 344621317 is 713126443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144144036 + 200477281 = 12006^2 + 14159^2 .

It is a cyclic number.

It is not a de Polignac number, because 344621317 - 2¹⁹ = 344097029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344621311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251092 + ... + 3251197.

It is an arithmetic number, because the mean of its divisors is an integer number (87780915).

Almost surely, 2^344621317 is an apocalyptic number.

It is an amenable number.

344621317 is a deficient number, since it is larger than the sum of its proper divisors (6502343).

344621317 is an equidigital number, since it uses as much as digits as its factorization.

344621317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502342.

The product of its digits is 12096, while the sum is 31.

The square root of 344621317 is about 18563.9790185186. The cubic root of 344621317 is about 701.1012034704.

The spelling of 344621317 in words is "three hundred forty-four million, six hundred twenty-one thousand, three hundred seventeen".